C132233133112121111331333133313331333132322331333133313233211111333123231   >>    C13223313311212111133133313331333133313232233133313331323321111133312323   <<    C132233133112121111331333133313331333132322331333133313233211111333123233   >>      C132233133112121111331333133313331333132322331333133313233211111333123232   >>